Conveyer



J. H. DIEL. GONVEYER.

No. 474,002. Patented May 3, 1892.

UNTTED STATES PATENT OFFICE.

JOSEPH H. DIEL, OF STOOKTON, CALIFORNIA.

CONVEYER..

SPECIFICATION forming part of Letters Patent No. 474,002, dated May 3, 1892.

Application filed September 2, 1891. Serial No. 404,566. (No model.)

To all whom it may concern:

Be it known that I, JOSEPH H. DIEL, a citizen of the United States, residing at Stockton, in the county of San Joaquin and State of Oalifornia, have invented certain new and useful Improvements in Oonveyers; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference beinghad to the accompanying drawings, and to the letters of reference marked thereon, which form a part of this specification.

This invention relates to improvements in spirals for conveying grain, chaff, flour, bran, and other materials horizontally in machines, grinding-mills, and other places; and the novelty will be fully understood from the following description and claims, when taken in connection with the `annexed drawings, in Which- Figure l is a plan view of myimproved conveyer arranged in a trough. Fig. 2 is an enlarged View in detail of the shaft and its conneoting parts. Fig. 3 is a view of the bea-ring parts of the shaft. Fig. 4 is a vert-ical sectional View of the box or trough, showing the hanger for receiving the shaft of the conveyer; and Fig. 5 is a detail view of the shaft, showing two Win gs or blades connected.

Referring by letter to said drawings, A indicates a shaft, which is preferably formed of gas-pipe having transverse holes at proper intervals for the purpose of receivingr one end of bolts or keys, which secure the wings or flanges thereto, as will be presently described. 4 B indicates the Wings or flanges of the conveyer. These wings or flanges are of a form as shown, and have their opposite edges bent, as better shown in Fig. 5, into hook shape, so that they may engage each other in forming a spiral or a number of spirals around the shaft.

O indicates a trough or box within which the conveyer is arranged, and this box is provided at opposite ends with hangers M, in the ends of which the shaft is journaled, as will be presently described.

In one end of the hollow shaftA is inserted a short solid shaft H, and on opposite sides of the hangers M, I provide this solid shaft with bands or sleeves I. These bands have a transverse hole, as better shown in Fig. 3, which coincidesor registers with a hole in the shaft A to receive a bolt J. These bands are furthermore provided at opposite sides of the bolt-hole with holes CZ, and the solid shaft is provided at corresponding points with iindentations e to receive the inwardly-directed ends f of the T-head of the bolts J. The opposite ends of these bolts are suitably threaded to receive a securing-nut and prevent undue longitudinal movement of said shaft in its bearings.

As better shown in Fig. l of the drawings, the outer end of the outer blades or Wings B are bent into hook shape, as shown at 7L, and these hooked ends are secured upon the shaft A by means of one of the arms G. These arms G are formed with a slotted band t' at one end to receive the shaft A, and are adjustably secured thereto by means of setscrews g, and formed integral with the slotted bands are arms, which are provided with a curved or hooked portion 7c, designed to engage the hooked edge h of the outer wings or flanges.

It will be observed that each win g or flange B is formed from a separate piece and that they are connected together by having their ends bent in hook shape, and a bolt l, having its outer end hooked, as shown at F, is designed to embrace the hooked edges of each section or blade in the spiral. These bolts l have their inner ends terminating in threaded portions and passed through a hole 7c in the shaft K, Where they are secured by a nut or other suitable device. As it is desirable to have the spirals running in a reverse direction at opposite points, so as to convey in opposite directions, I provide a key, such as E, for connecting the blades or flanges at this point. By special reference to Fig. l of the drawings it Will be seen that when the shaft or flanges reverse instead of having the meeting ends hooked to engage one another I provide them with hooks b, both directed outwardly, and employ the key E, which is approximately V shape in cross-section, having theinwardlybent edges o to receive said edges or hooks b. The lower ends of these keys E are reduced and threaded and are passed through holes in the shaft A, and are secured by means of a nut or the like.

By the construction de-l TOO scribed it will be seen that should any one or more of the blades or flanges becolneimpaired or injured they may be removed by simply1 taking out the hooked bolts Z and readily replaced by others.

When it is desirable to forni a continuous spiral from end to end of the shaft, the keys E are not employed', but the ends or edges united and secured in position by the bolts Z throughout the shaft.

Having described my invention, what I claim is- 1. In a spiral conveyer, the combination, with a shaft having transverse holes, of a spiral blade having each Wing provided at opposite edges with hooks to engage each other yJOSEPH H. DIEL. Witnesses:

JOSHUA B. WEBSTER, JAMES T. SUMMERVILLE. 

